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WorksheetsFall Final Exam Practice 2020
Total questions: 115
Worksheet time: 2hrs 5mins
The Dependent Variable depends upon the __________________.
Controlled Variable
Responsive Variable
Dependent Variable
Independent Variable
Response/result in experiment. Graphed on Y-axis.
Controlled Variable
Responsive Variable
Dependent Variable
Independent Variable
Manipulated / changed variable in experiment. Graphed on X-axis.
Controlled Variable
Responsive Variable
Dependent Variable
Independent Variable
How much water does a plant need to grow?
Which are the controlled variables / constants?
Choose all that apply.
The type of plant
How much water you use
Location of plant
How much the plant grows
How long you grow the plant
What would be a reasonable hypothesis for this investigation, based on the data table?
If plants are given sugar, then they will die.
If plants are taller, then they will be given a higher sugar solution.
If the sugar solution plants are given increases, then the plants will grow less and possibly die.
If the sugar solution plants are given increases, then the plants will grow taller.
Which group is the control group?
A
B
C
F
For the experimental results shown in the Data Table, what should have been controlled variable / constant?
Plant Group
Percent Sugar Solution
Final Height of Plant
Amount of Light the Plants were grown in.
Which of the following is the best conclusion based on data in the Table?
Plants will always grow taller as the percent of sugar in a solution increases.
The researcher was investigating sugar-loving plants.
As the percent of sugar in a solution increased, the plants did not grow as tall or died.
Adding sugar to a solution causes plants to die.
How high can an average 6th grader jump?
Which would be controlled variables/constants?
Choose all that apply.
The age of the students
The surface they are jumping from
The height they can jump
How well the students did on a math test the day before
How does the amount of baking powder added to a cake mix affect the taste?
Which is the independent variable?
The amount of baking powder
The type of cake
The amount of oil in the cake
The temperature of the oven
Which type of apple has the most water in it?
Which is the dependent variable?
The size of the apple
The age of the apple
The amount of water
The type of apple
The part of the experiment that does not have the independent variable applied. Or is a standard or normal amount. Used for comparison during experiment.
Control Group
Experimental Group
Results
Data
Proposed scientific explanation based upon your observations. Often written as If...then.
Hypothesis
Observation
Control group
Guess
How many variables should you change in a controlled experiment?
none
1
2 or more
depends on the type of experiment
A factor in an experiment that stays the same.
control group
constant / controlled variable
dependent variable
experimental group
A nucleotide is composed of
A phosphate, sugar and nitrogenous base
A protein, protein and Guanine
A phosphate, Adenine, and nitrogenous base
A protein, Adenine and nitrogenous base
ATG TGA CAG
AATCATGGA
Which process is making mRNA from DNA in the nucleus?
transcription
translation
replication
Which process is copying DNA in the nucleus?
replication
transcription
translation
What is a protein:
A polymer composed of many sugars.
A polymer composed of many amino acids.
A polymer composed of fatty acids.
A polymer composed of solutes.
What is the end result of DNA replication?
Two new identical strands of DNA, both made of part original DNA and part new DNA.
One parent strand and one daughter strand of DNA
Two new and different strands of DNA
One new strand of DNA
What is the order for Protein Synthesis?
Transcription -> Translation -> Protein
Translation - > Transcription -> Protein
Protein -> Transcription -> Translation
Translation -> Protein -> Transcription
Where does translation occur?
At the cell membrane
Inside the nucleus
At a ribosome
Inside a vacuole
Where does transcription occur?
At the cell membrane
Inside the nucleus
At a ribosome
Inside a vacuole
The monomers that make DNA and RNA are
amino acids
monosaccharides
nucleotides
fatty acids
RNA contains which sugar?
deoxyribose
Ribose
glucose
fructose
RNA has what base instead of thymine?
guanine
adenine
thymine
uracil
Which is the building block of both RNA and DNA?
Surrounds the cell; regulates what enters/leaves cell; maintains homeostasis
vacuole
cell wall
cell membrane
lysosome
Which term describes the structure shown in the diagram?
Capsule
Cell Wall
Fungus
Semi-permeable
The movement of water from an area of high concentration to an area of lower concentration across a semi-permeable membrane is called:
facilitated diffusion
active transport
osmosis
dialysis
What might happen to a freshwater plant (low salt in cells) that is placed into saltwater?
Cells will swell
Cells will shrink
Random change in cells
There will be no change
What does this image show?
Osmosis
Active transport
A cell membrane
A nucleus
If there is 5 percent water inside a cell and 5 percent water outside a cell
more water will move inside the cell
more water will move outside the cell
There will be no net movement of water, it moves into and out of the cell at the same time.
Where will the water go?
Into the cell
Out of the cell
Equally in & out - it's isotonic
There is no water
A blood cell is placed into a beaker. Where will the water go?
Into the cell
Out of the cell
Equally in & out - it's isotonic
The water is a lie
What is a series of events a cell goes through as they grow, replicate DNA and divide? (Interphase, Mitosis, Cytokinesis)
Cell Division
Cell Cycle
Cytokinesis
Mitosis
During what phase of the cell cycle is DNA replicated (= DNA Synthesis)?
G1 phase
S phase
G2 phase
M phase
Put the following stages of the cell cycle in order: G2, S, G1, M (where M = mitosis).
G1, S, G2, M
S, G1, G2, M
G1, M, G2, S
M, G1, S, G2
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. (remember PMAT?)
prophase, metaphase, telophase, anaphase
prophase, anaphase, metaphase, telophase
prophase, metaphase, anaphase, telophase
prophase, telophase, metaphase, anaphase
The process by which a diploid parent cell gives rise to two diploid daughter cells is?
mitosis
meiosis
spindle
centromere
In mitosis, the two resulting daughter cells are
different from the starting cell and identical to each other.
different from the starting cell and different from each other.
identical to the starting cell and different from each other.
identical to the starting cell and identical to each other.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect resulting fruit fly daughter cells to have -
16 chromosomes.
46 chromosomes.
8 chromosomes.
4 chromosomes.
Why do cells divide using mitosis?
growth and development
repair of damaged cells
replacement of dying cells.
All of the above
The daughter cells of meiosis are:
haploid
diploid
skin cells
hair cells
The image shown is best described as:
Mitosis
The Cell Cycle
Translation
Transcription
The cells produced via meiosis are called:
gametes (sperm & eggs)
hair cells
body cells
skin cells
This image shows chromosomes during meiosis. Which of the following correctly describes the process shown?
segregation
condensation
mutations
crossing over
Daughter cells of meiosis are genetically
different
identical
In a heterozygous genotype, the ___________ allele is expressed in the phenotype.
recessive
dominant
lower case letter
both
The genotype for a yellow plant is...
In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant? (You might need to do a Punnett Square.)
0%
25%
50%
75%
A segment of DNA that codes for a specific trait in an organism:
Gene
RNA
Chromosome
Chromatid Pair
An alternative form of a gene:
Homozygous
Genotype
Phenotype
Allele
Which is heterozygous?
XX
xx
Xx
Which is homozygous dominant?
XX
xx
Xx
Which is homozygous recessive?
XX
xx
Xx
Which alleles are represented by uppercase letters and will always be expressed if present?
Dominant
Recessive
Repeating
Heterozygous
Which alleles are represented by lowercase letters and will only be expressed if no uppercase letters are present?
Dominant
Recessive
Repeating
Heterozygous
The expressed form of genetics. For example, the color of you hair.
Genotype
Phenotype
Polypeptide
Genopeptide
If an animal has brown fur what is this an example of?
Recessive Trait
Dominant Trait
Phenotype
Genotype
What is "Tt" is an example of?
Recessive Trait
Recessive alleles
Phenotype
Genotype
Heterozygous individuals carry one dominant allele and one _____________ allele.
Repeating
Dorset
Recessive
Ruminant
A method using a diagram which utilizes the known genotypes of parents to predict the outcome of offspring from genetic crosses.
Punnett Square
Mendelian Square
Textural Triangle
Autoclave
What % of the offspring are heterozygous?
25%
50%
75%
100%
If a two dogs with brown fur reproduce and have a litter of three puppies with brown fur and one puppy with white fur, what must be true about the parents?
The parents both have homozygous dominant alleles for fur color.
The parents both have homozygous recessive alleles for fur color.
The parents both have heterozygous alleles for fur color.
One parent has homozygous dominant alleles and one parent has heterozygous alleles.
Which of the following would be the phenotype for a heterozygous genotype?
AA
Aa
aa
Green
Which of the following is homozygous?
AB
Ab
AA
aB
This image is an example of:
codominance
dominance
incomplete dominance
When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....
Incomplete Dominance
Codominance
This roan cow is an example of ___________.
Incomplete Dominance
Codominance
this image shows an example of
codominance
dominance
incomplete dominance
A woman with curly hair and a man with straight hair produced a child with wavy hair:
Incomplete dominance
Codominance
Complete dominance
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete Dominance
Codominance
Independent assortment
Recessive inheritance
This type of inheritance pattern shows BOTH traits in possible offspring
complete dominance
incomplete dominance
codominance
dominant pattern
In cattle red coats are represented as RR, and white coats are represented as WW.
What is the genotype for Roan color?
RR
RW
WW
A roan cow shows codominance in fur color (brown and white). What is the phenotypic ratio expected in offspring a female roan cow (RW) and a male roan bull (RW) mate together?
2 RW : 2 RW
4 RW : 0 RR : 0 WW
2 Red : 2 White
1 Red : 2 Roan : 1 White
Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).
You cross two purple flowers (RB) and determine the offspring using a punnett square. What is the genotypic ratio of the offspring?
1 RR : 2 RB : 1BB
2 RB : 2 RB
2 blue : 2 red
2 red : 2 purple
In some carnations, flower color exhibits codominance. When crossed, red (RR) and white (WW) flowers make speckled flowers (RW) that show both colors.
Complete a punnett square cross (on your own paper) between a speckled flower and a red flower. What would be the phenotypic numbers of their offspring?
2 red: 2 speckled
4 red: 0 speckled
4 speckled: 0 white
2 speckled: 2 white
